An advisory has been sent to law enforcement officials asking them to be vigilant about train security based on information uncovered at Osama bin Laden’s compound after his death, officials said.Officials stressed the advisory is general in nature and the information apparently uncovered from the bin Laden house in Pakistan dates back more than a year.

According to NBC News, U.S. officials say they have not found reference to specific plots. Instead, they say they’ve found what they call “aspirational” items — events al-Qaida operatives were interested in trying to make happen.There was nothing specific to New York, according to a law enforcement official.